Case Group

Age Subgroup

(years)

Group 1 (n = 43)

Group 2 (n = 172)

n

% to total of group 1

% to total of age subgroup

n

% to total of group 2

% to total of age subgroup

<40

4

9.3

66.7

2

1.2

33.3

40 - 49

5

11.6

31.2

11

6.4

68.8

50 - 59

11

25.6

34.4

21

12.2

65.6

60 - 69

14

32.6

28.6

35

20.3

71.4

70 - 79

9

21

12.7

62

36

87.3

≥80

0

0

0

41

32.8

100